Table 5 The best-case scenarios of physical, mental and autonomy decline in frail, pre-frail and robust persons according to the Puts, Frieds and Steverink–Slaets models in the Crystal population

0.89 (0.45–1.75); p = 0.74

2.27 (0.51–10.12); p = 0.28

0.81 (0.45–1.48); p = 0.50

1.09 (0.54–2.17); p = 0.81

2.62 (0.57–11.94); p = 0.21

0.93 (0.50–1.72); p = 0.81

0.62 (0.37–1.06); p = 0.82

1.98 (0.79–4.96); p = 0.15

0.59 (0.37–0.96); p = 0.03

0.96 (0.56–1.63); p = 0.87

2.41 (0.94–6.17); p = 0.67

1.04 (0.643–1.68); p = 0.89

0.96 (0.26–3.55); p = 0.96

1.19 (0.39–3.59); p = 0.76